
Up to 4096 MB* of 533-MHz or 667-MHz DDR2 SDRAM
Two DIMM slots
DIMM sizes supported: 512 MB, 1024 MB, and 2048 MB
Standard Memory
512 MB (512 MB x 1)
1024 MB (1024 MB x 1 or 512 MB x 2)
2048 MB (2048 MB x 1 or 1024 MB x 2)
Optional Memory
Upgrades
Both memory slots are user accessible. Please refer to the Hardware and Software Guide for
installation procedures. Maximized dual-channel performance requires SODIMMs of the same size
and speed in both memory slots.
Up to
Slot 1 Slot 2
1024 MB 1024 MB
Empty
1024 MB
512 MB 512 MB
1536 MB 1024 MB
512 MB
2048 MB 1024 MB 1024 MB
4096 MB*
2048 MB 2048 MB
NOTE:
This chart does not represent all possible memory configurations. Due to the non-industry standard nature of some
third-party memory modules, we strongly recommend using only HP branded memory modules to ensure compatibility. If
you mix memory speeds, the system will perform at the lower memory speed.
*with Mobile Intel GM965 chipset only
Memory Upgrades
HP 512-MB (DDR2 667 MHz) SODIMM
EM993AA
HP 1024-MB (DDR2 667 MHz) SODIMM
EM994AA
HP 2048-MB (DDR2 667 MHz) SODIMM
EM995AA
QuickSpecs
HP Compaq 6720s Notebook PC
Memory
DA - 12759 Worldwide QuickSpecs — Version 2 — 9.5.2007
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